Home / 18,435,619.10-27,653,428.65-4,787,645.60

Finding the Fourth Proportional to 18,435,619.10, 27,653,428.65 and 4,787,645.60

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Solution

The fourth proportional to 18,435,619.10, 27,653,428.65 and 4,787,645.60 is: 7,181,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,619.10 : 27,653,428.65 = 4,787,645.60 : x
  2. Step 2: Convert to fraction form
    18,435,619.10/27,653,428.65 = 4,787,645.60/x
  3. Step 3: Cross multiply
    18,435,619.10x = 27,653,428.65 × 4,787,645.60
  4. Step 4: Simplify right side
    18,435,619.10x = 132,394,816,001,086.42
  5. Step 5: Solve for x
    x = 132,394,816,001,086.42/18,435,619.10
  6. Step 6: Final answer
    x = 7,181,468.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.